<template>
    <div>
               <!-- 面包屑导航区域 -->
        <el-breadcrumb separator-class="el-icon-arrow-right">
            <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
            <el-breadcrumb-item>商品管理</el-breadcrumb-item>
            <el-breadcrumb-item>商品列表</el-breadcrumb-item>
        </el-breadcrumb>
        <el-card>

            <el-row :gutter="20">
                <el-col :span="8">
                    <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getGoodsList">
                        <el-button slot="append" icon="el-icon-search" @click="getGoodsList"></el-button>
                    </el-input>
                </el-col>
                <el-col :span="4">
                    <el-button type="primary" @click="goAddPage">添加商品</el-button>
                </el-col>
            </el-row>

        <!-- 表格区域 -->
        <el-table :data="goodslist" border stripe>
            <el-table-column type="index"></el-table-column>
            <el-table-column label="商品名称" prop="goods_name"></el-table-column>
            <el-table-column label="商品价格(元)" prop="goods_price" width="110px"></el-table-column>
            <el-table-column label="商品重量" prop="goods_weight" width="80px"></el-table-column>
            <el-table-column label="创建时间" prop="add_time" width="160px">
                <template slot-scope="scope">
                    {{scope.row.add_time | dateFormat}}
                </template>
            </el-table-column>
            <el-table-column label="操作" width="130px">
                <template slot-scope="scope">
                    <el-button type="primary" icon="el-icon-edit" size="mini"></el-button>
                    <el-button type="danger" icon="el-icon-delete" size="mini" @click="removeById(scope.row.goods_id)"></el-button>
                </template>
            </el-table-column>
        </el-table>

        <!-- 分页区域 -->
        <el-pagination
            @size-change="handleSizeChange"
            @current-change="handleCurrentChange"
            :current-page="queryInfo.pagenum"
            :page-sizes="[5, 10, 15, 20]"
            :page-size="queryInfo.pagesize"
            layout="total, sizes, prev, pager, next, jumper"
            :total="total">
        </el-pagination>

        </el-card>
    </div>
</template>

<script>
export default{
    data(){
        return {
            //c查询参数对象
            queryInfo:{
                query: '',
                pagenum: 1,
                pagesize:5          
            },
            //商品列表
            goodslist: [],
            //总数居条数
            total: 0
        }
    },
    created(){
        this.getGoodsList()
    },
    methods:{
        async getGoodsList(){
            const {data: res} = await this.$http.get(`goods`,{
                params: this.queryInfo
            })
            if(res.meta.status !== 200){
                return this.$message.error('获取商品列表失败')
            }
            // this.$message.success('获取商品列表成功')
            this.goodslist = res.data.goods
            this.total = res.data.total

        },
        handleSizeChange(newSize){
            this.queryInfo.pagesize = newSize
            this.getGoodsList()
        },
        handleCurrentChange(newPage){
            this.queryInfo.pagenum = newPage
            this.getGoodsList()
        },
        //根据id删除商品
        async removeById(id){
            const confirmResult = await this.$confirm('此操作将永久删除该商品, 是否继续?','提示',{
                confirmButtonText: '确定',
                cancelButtonText: '取消',
                type: 'warning'
            }).catch(error => error)
            if(confirmResult!== 'confirm'){
                return this.$message.info('已取消删除')
            }
            const {data:res} = await this.$http.delete(`goods/${id}`)
            if(res.meta.status !== 200){
                return this.$message.error('删除商品失败')
            }
            this.$message.success('删除商品成功')
            this.getGoodsList()
        },
        //跳转到指定的路由页面
        goAddPage(){
            this.$router.push('/goods/add')
        }
    },

}
</script>

<style scoped>

</style>
